Power wrench



FIG. 1 is a right-side elevational view of a power wrench showing my new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is a top front right side perspective view; and,

FIG. 8 is a top front right side perspective view showing the claw in a horizontal position thereof. 

The ornamental design for a power wrench, as shown. 